The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 04, 1989
Filed:
Aug. 11, 1988
Applicant:
Inventors:
Akitoshi Matsubara, Hachioji, JP;
Kiyoshi Tamaki, Hino, JP;
Assignee:
Konishiroku Photo Industry Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430 99 ; 430109 ;
Abstract
A toner for developing electrostatic latent images is disclosed. This toner comprises as a binder a graft-polymer prepared by graft-polymerizing 99.5 to 92 parts by weight of a vinyl monomer to 0.5 to 8 parts by weight of an unsaturated polyester formed by condensing a polyvalent alcohol with a polybasic acid containing 5 to 90 mol % of unsaturated disbasic acid.